From: Hunt Lee (huntl@webcentral.com.au)
Date: Wed Mar 05 2003 - 03:55:54 GMT-3
I don't have any problems either... one point though is that if your Area 0
is using authentication, then your virtual link will need authentication
too.
Hunt
-----Original Message-----
From: cebuano [mailto:cebu2ccie@cox.net]
Sent: Wednesday, 5 March 2003 2:41 PM
To: ccielab@groupstudy.com
Subject: OSPF Demand Circuit
Hi group.
In page 800 of Solie's book, he mentions that "If the dial link is in
Area 0...a demand circuit will not properly operate".
I have configured this and did not find any problem as far as the
operation of the demand circuit itself or OSPF. Is there something that
I am missing? I understand his point regarding using a STUB or NSSA for
the area configured as Demand Circuit. Any comments are welcome.
Below is the configuration. Thanks.
2503#S
!
hostname 2503
!
!
username 2504 password 0 cisco
!
isdn switch-type basic-ni
!
interface Loopback0
ip address 172.17.1.1 255.255.255.0
ip ospf network point-to-point
!
interface Ethernet0
ip address 172.16.1.1 255.255.255.0
no keepalive
!
interface BRI0
ip address 140.10.10.7 255.255.255.0
encapsulation ppp
ip ospf demand-circuit
dialer map ip 140.10.10.6 name 2504 broadcast 8358662
dialer-group 1
isdn switch-type basic-ni
isdn spid1 0835866101 8358661
isdn spid2 0835866301 8358663
ppp authentication chap
!
router ospf 100
network 140.10.10.0 0.0.0.255 area 0
network 172.0.0.0 0.255.255.255 area 0
!
dialer-list 1 protocol ip permit
!
2504#s
!
hostname 2504
!
!
username 2503 password 0 cisco
!
isdn switch-type basic-ni
!
interface Loopback0
ip address 172.22.1.1 255.255.255.0
ip ospf network point-to-point
!
interface Loopback1
ip address 172.22.53.105 255.255.255.0
ip ospf network point-to-point
!
interface BRI0
ip address 140.10.10.6 255.255.255.0
encapsulation ppp
dialer map ip 140.10.10.7 name 2503 broadcast 8358661
dialer-group 1
isdn switch-type basic-ni
isdn spid1 0835866201 8358662
isdn spid2 0835866401 8358664
!
router ospf 100
log-adjacency-changes
network 140.10.10.0 0.0.0.255 area 0
network 172.22.0.0 0.0.255.255 area 0
!
dialer-list 1 protocol ip permit
!
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